Home / 6,403.07-8,836.09-3,570.72

Finding the Fourth Proportional to 6,403.07, 8,836.09 and 3,570.72

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Solution

The fourth proportional to 6,403.07, 8,836.09 and 3,570.72 is: 4,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.07 : 8,836.09 = 3,570.72 : x
  2. Step 2: Convert to fraction form
    6,403.07/8,836.09 = 3,570.72/x
  3. Step 3: Cross multiply
    6,403.07x = 8,836.09 × 3,570.72
  4. Step 4: Simplify right side
    6,403.07x = 31,551,161.22
  5. Step 5: Solve for x
    x = 31,551,161.22/6,403.07
  6. Step 6: Final answer
    x = 4,927.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.